Meaning of ACTION in English
BAD : The actions that we do everyday are made easier by computers.
GOOD : The things that we do everyday are made easier by computers.
BAD : If someone has done a wrong action, he should be punished.
GOOD : If someone has done something wrong, he should be punished.
Do and action cannot be used together. Use do + things/something/ anything etc: 'She's always doing things for charity.' 'Don't do anything that might upset them.'
BAD : It is difficult to forgive those responsible for actions of terrorism.
GOOD : It is difficult to forgive those responsible for acts of terrorism.
BAD : Blackmail is the action of trying to obtain money from someone by threatening to expose them.
GOOD : Blackmail is the act of trying to obtain money from someone by threatening to expose them.
an/the act of (doing) sth (NOT action ): 'Such acts of violence will not be tolerated.' 'For some people, the very act of talking to a doctor can help them to feel better.'
BAD : Few people are aware that an urgent action is needed.
GOOD : Few people are aware that urgent action is needed.
BAD : The government should take an action to reduce the birth rate.
GOOD : The government should take action to reduce the birth rate.
When you are talking about the idea or process of doing something, action is uncountable: 'There is too much talk and not enough action.'
In the phrase take action, action is always uncountable: 'This illegal trade will continue unless action is taken to stop it.'
Longman Common Errors English vocabulary. Английский словарь распространенных ошибок Longman. 2012